73973879 has 12 divisors (see below), whose sum is σ = 86892624. Its totient is φ = 62786304.

The previous prime is 73973873. The next prime is 73973891. The reversal of 73973879 is 97837937.

It is a happy number.

It is not a de Polignac number, because 73973879 - 2¹⁶ = 73908343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73973879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73973873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2282 + ... + 12375.

It is an arithmetic number, because the mean of its divisors is an integer number (7241052).

Almost surely, 2^73973879 is an apocalyptic number.

73973879 is a deficient number, since it is larger than the sum of its proper divisors (12918745).

73973879 is a wasteful number, since it uses less digits than its factorization.

73973879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14774 (or 14767 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 53.

The square root of 73973879 is about 8600.8068807525. The cubic root of 73973879 is about 419.7842410329.

The spelling of 73973879 in words is "seventy-three million, nine hundred seventy-three thousand, eight hundred seventy-nine".